CN1798383A - Apparatus and method for providing in a terminal a pause function for a broadcast stream - Google Patents
Apparatus and method for providing in a terminal a pause function for a broadcast stream Download PDFInfo
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- CN1798383A CN1798383A CNA2005100035340A CN200510003534A CN1798383A CN 1798383 A CN1798383 A CN 1798383A CN A2005100035340 A CNA2005100035340 A CN A2005100035340A CN 200510003534 A CN200510003534 A CN 200510003534A CN 1798383 A CN1798383 A CN 1798383A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/40—Circuits
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/16—Analogue secrecy systems; Analogue subscription systems
- H04N7/173—Analogue secrecy systems; Analogue subscription systems with two-way working, e.g. subscriber sending a programme selection signal
- H04N7/17309—Transmission or handling of upstream communications
- H04N7/17318—Direct or substantially direct transmission and handling of requests
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/41—Structure of client; Structure of client peripherals
- H04N21/414—Specialised client platforms, e.g. receiver in car or embedded in a mobile appliance
- H04N21/41407—Specialised client platforms, e.g. receiver in car or embedded in a mobile appliance embedded in a portable device, e.g. video client on a mobile phone, PDA, laptop
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/41—Structure of client; Structure of client peripherals
- H04N21/414—Specialised client platforms, e.g. receiver in car or embedded in a mobile appliance
- H04N21/4147—PVR [Personal Video Recorder]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/433—Content storage operation, e.g. storage operation in response to a pause request, caching operations
- H04N21/4333—Processing operations in response to a pause request
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client
- H04N21/63—Control signaling related to video distribution between client, server and network components; Network processes for video distribution between server and clients or between remote clients, e.g. transmitting basic layer and enhancement layers over different transmission paths, setting up a peer-to-peer communication via Internet between remote STB's; Communication protocols; Addressing
- H04N21/643—Communication protocols
- H04N21/6437—Real-time Transport Protocol [RTP]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/80—Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
- H04N21/81—Monomedia components thereof
- H04N21/812—Monomedia components thereof involving advertisement data
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/02—Traffic management, e.g. flow control or congestion control
- H04W28/10—Flow control between communication endpoints
- H04W28/14—Flow control between communication endpoints using intermediate storage
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- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Computer Networks & Wireless Communication (AREA)
- General Engineering & Computer Science (AREA)
- Business, Economics & Management (AREA)
- Marketing (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
- Mobile Radio Communication Systems (AREA)
- Communication Control (AREA)
Abstract
An apparatus and method for providing a pause function of a broadcasting streaming in a terminal are disclosed. A player of the terminal includes a temporary storage buffer. When a key for a pause of broadcasting streaming is inputted, reproducing of streaming is suspended and broadcasting streaming packet data is continuously received from a network and temporarily stored in the temporary storage buffer. When a pause release key is inputted, the broadcasting streaming packet data starts to be reproduced starting from a time point of the pause. Thus, a pause function is provided for a streaming service of broadcasting content whose reproducing rate cannot be controlled by a user.
Description
Invention field
The present invention relates to be used to be provided for the apparatus and method of pause function of the broadcasting stream service of terminal.
Description of related art
Generally, stream service is a kind of multimedia service, and wherein multi-medium data does not deposit the memory cell of terminal in but reproduced (broadcasts) also is eliminated subsequently.The streaming service is widely used in the fixed line communications network, and it can be advantageously used in the mobile communication terminal that does not have sufficient memory space, such as mobile phone.
The technology that realizes video flowing is divided into image compression algorithm, voice compression algorithm and Wireless/wired procotol.
Use the video format that uses in the current wire/wireless system of video compression technology to comprise MPEG (mobile photographic experts group) the group form of international ISO/IEC standard committee appointment, such as MPEG1, MPEG2, MPEG4 etc. and by the appointment of the ITU-T international standards committee such as H.261, H.263, the H.26x group form that H.264 waits.
Particularly, in having the wireless environment of wireless communication terminal, MPEG4 or H.263 just developing into applicable international standard, and adopted the MPEG4 form as being used for VOD (video request program as the 3GPP (third generation partner program) and the 3GPP2 standard committee of international wireless mobile communication standard tissue; User definition video-see service) standard of technology and adopt H.263 form as the standard that is used for visual telephone (VT).According to the development of compress technique and picture quality enhancement techniques, the demand of form is H.264 just being risen to the MPEG-4 and the level of form H.263.
As the example of voice compression algorithm, usually use be suitable for wireless environment such as MIDI (instructions for musical instruments numeralization interface MP3 (mpeg audio layer 3) or AAC (Advanced Audio Coding), QCELP (Qualcomm
TMCode excites linear prediction), the wire/wireless voice compression algorithm of EVRC (enhanced variable rate code device) etc., and the demand of AAC+ just promoted with the development of compress technique and voice quality lift technique.
The wire/radio network agreement comprises the TCP (transmission control protocol) with lower transmission rate and higher transmission reliability and has higher transmission rates and than the UDP (User Datagram Protoco (UDP)) of low transmission reliability.Particularly, at network rate in the frequent wireless environment that occurs of lower and packet loss, the RTP (RTP) and the RTCP (RTP Control Protocol) that are suitable as the real-time protocol (RTP) of the advantage with TCP and UDP are adopted just gradually as standard, and, also use RTSP (real-time streaming protocol) and SDP (service discovery protocol) widely for corresponding service in real time adaptively.
In a word, we can say, in order to realize the video flowing service in the mobile communication terminal, MPEG4, H.263 with H.265 usually as image data format, AAC and AAC+ are usually as the speech data form, and RTP, RTCP, RTSP and SDP are usually as transmission format protocol.
Fig. 1 illustrates the diagrammatic sketch that is used for providing to mobile communication terminal the structure of the multimedia broadcasting conventional system that stream is served.Common multimedia broadcasting stream service system comprises the video camera 60 that is used to generate the simulation multimedia broadcast data; The simulation multimedia broadcast data that is used for being generated converts the VOD encoder 50 of digital media data to; Be used to utilize digital media data after the conversion to generate the streaming server 40 of RTP/RTCP grouping according to the wireless streams host-host protocol; Be used to send the transmitter 30 of RTP/RTCP grouping; Be used for to send to the base station 20 of mobile communication terminal 10 by radio communication by the RTP/RTCP grouping that transmitter 30 sends; And the reception RTP/RTCP packet reproducing that is used for receiving by base station 20 becomes the mobile communication terminal 10 of broadcasting stream.
The common multimedia broadcasting stream service system that makes up is as described above operated in the following manner.
When a specific broadcasted context of mobile communication terminal 10 request such as sports broadcasts, news (being live news broadcasting), talk show etc. in real time, streaming server 40 sends to mobile communication terminal 10 with the broadcasted context of being asked.
When the real-time news of mobile communication terminal 10 requests, the simulation multimedia broadcast data of news program offers VOD encoder 50 by video broadcasting camera 60, and VOD encoder 50 utilize the mpeg encoded program or H.265 coded program should simulate multimedia broadcast data and converted digital media data to.Digital media data after the conversion is offered streaming server 40, and this streaming server 40 converts digital media data the RTP/RTCP grouping to and via transmitter 30 they is sent to base station 20.Base station 20 sends to mobile communication terminal 10 with RTP/RTCP packet-type digital media data, and it then receives digital media data and by the stream service real-time news broadcast is offered the user.
When the VOD context that can regulate arbitrarily by the user based on the context that downloads to terminal or its speed when mobile communication terminal provides the stream service, if the stream service needs suspended situation for some reason of user, when carrying out voice call communication such as the audio call that receives access as the user and by mobile communication terminal, mobile communication terminal can utilize pause function contextual reproduction temporarily to be stopped the time of specified quantitative usually.
But, when mobile communication terminal is just providing it to reproduce the broadcasted context that speed can not be regulated by the user, such as the live broadcast context or in advance the broadcasted context of record be provided for the user as stream service, if the service of broadcasting stream need temporarily be stopped by the user, then the user just can not receive a part of broadcasted context of suspending the stream viability.
Summary of the invention
Therefore, the object of the present invention is to provide a kind of apparatus and method of pause function of the broadcasting stream service that is used to provide terminal.
In order to realize above at least purpose in whole or in part, a kind of method of pause function of the broadcasting stream service that is used to provide terminal is provided, comprising: when the input Pause key, end to reproduce and temporary transient storage from the broadcast stream group data of streaming server transmission; And when input suspends the releasing key, begin to reproduce the broadcast stream group data of described temporary transient storage from the time point of described time-out.
In order to realize above at least purpose in whole or in part, a kind of device of pause function of the broadcasting stream that is used to provide terminal also is provided, comprising: network interface unit is used for by wireless network from streaming server reception broadcast stream group data; User's input interface unit is used to receive the key of the time-out that is used to broadcast stream; Flow player, be used for termination reproduction when the input Pause key, store it, and when importing time-out releasing key, begin to reproduce the broadcast stream group data of described temporary transient storage from the time out point by network interface unit reception broadcast stream group data are also temporary transient.
Other advantage of the present invention, purpose and characteristics will part be set forth and part will be that those of ordinary skill in the art is apparent or by learning from enforcement of the present invention by the examination to following content in the following description.Can as particularly point out in the appended claims, realize and obtain objects and advantages of the present invention.
Description of drawings
To be described in detail with reference to the attached drawings the present invention, wherein identical label is represented components identical, wherein:
Fig. 1 illustrates the schematic block diagram that is used for providing to terminal the example structure of the multimedia broadcasting conventional system that stream is served.
The schematic block diagram that provides terminal to broadcast the example structure of the device that flows pause function according to of the present invention is provided Fig. 2.
Fig. 3 is the diagrammatic sketch that illustrates according to the example states conversion of the task of the pause function of execution multimedia broadcasting of the present invention stream.
Fig. 4 is explanation according to the flow chart of the process of the exemplary method of the broadcasting stream pause function that is used to provide terminal of the present invention.
Fig. 5 is the diagrammatic sketch that the exemplary packet data flow that flows according to the broadcasting of pause function of the present invention is shown.
Embodiment
Among the present invention, terminal provides the pause function of broadcasting stream, thus when the service of broadcasting stream is provided, when it is supspended (stop or suspending) by the user, reception and the contextual grouped data of stored broadcast continuously.After this, when removing halted state, begin to continue the reproduction of broadcasted context grouped data from the time point that suspends.
In order to realize the multimedia service in the terminal, particularly in mobile communication terminal, need consider that various operating systems (OS) feature of mobile communication terminal designs multimedia service.
Different with common server computer or personal computer, mobile communication terminal is an embedded system, and its Limited resources and real-time feature are considered to very important.Therefore, operate the OS of mobile communication terminal based on the RTOS (real time operating system) that considers real-time performance, this with such as Windows
, UNIX
And LINUX
Other operating system difference.Current, term RTOS represents to be used for the less relatively OS of embedded system, but not is used for the OS of real-time system.
Generally, under the situation of cdma mobile communication terminal, use by Qualcomm usually
TMThat makes is known as REX
RTOS, and, can use such as Nucles for senior mobile communication terminal
, EmbeddedLinux
, WinCE
Deng RTOS.
RTOS has the characteristic with the priority management task scheduling, and carries out such as the function of distributing the appropriate C PU processing time to the various function tasks of management real-time system.
Therefore, for the service in the terminal suitably is provided, particularly in mobile communication terminal, context switches and must carry out smoothly by task management.
Generally, the task status that is used for OS (operating system) comprises standby condition, wait state, running status etc.Standby condition represents that task wherein has been ready to the state that uses after a while.Wait state represents that wherein this task is transferred the state that its control is used for the operation of different task after task is actually used.Running status is represented the wherein actual state of carrying out an operation of task.In addition, also can there be several other task statuses, such as abort state, resting state etc., but these states detailed consideration not here.
For technology of the present invention is applied to terminal, can provide multimedia player task, user interface (UI) task, network task, system calling task.The multimedia player task can be carried out comprehensive control of the multi-medium data that is used for actual play.The multimedia player task can be distinguished the medium type of the data that receive, and can be provided for decoding, the order of demonstration etc.The UI task can be carried out the function such as the context selection that receives key input, user etc.Network task can receive stream packets from streaming server.The system calling task can check whether receive audio call.In addition, can exist and play other task of required some, but not discuss in detail here.
Fig. 2 is the schematic block diagram that illustrates according to the example structure of the device of the pause function that is used to provide terminal broadcasting stream of the present invention.
The device that is used to provide the pause function of terminal broadcasting stream according to the present invention can comprise the network interface unit 100 that is used to carry out with the wave point of network; Be used to receive user's input interface unit 110 of user's key input; Player 120, it be used for when the function of suspending the stream service by user's input interface unit 110 input (for example, key) ends to reproduce stream packets data and the interim broadcast stream group data that receive by network interface unit 100 of storing the time, and the reproduction of the broadcast stream group data and the broadcast stream group data that execution is decoded of this temporary transient storage of when the function (for example, key) of input releasing time-out, decoding; The display unit 130 that is used to show the video data of decoding by player 120 control; And the loud speaker 140 that is used for the voice data of output decoder by player 120 controls.
The context that OS (operating system) in controller 121 control storages and OS carry out between multimedia player task, network task, UI task, the system calling task switches.OS can be RTOS.
Fig. 3 is the diagrammatic sketch that illustrates according to the example states conversion of the task of the pause function of execution multimedia broadcasting of the present invention stream.
Be under the situation of standby condition in multimedia player task, network task, UI task, system calling task, when playing (reproductions) when beginning, multimedia player task and network task are transformed running status and system calling task and UI task are transformed wait state.Therefore, network task receives broadcast stream group data by network interface unit 100, and the medium type of the stream packets data that the multimedia player assessment of tasks receives, the video of indication stream packets data and the decoding of audio component, the output of going back the video and the voice data of instruction decoding.
When just showing the broadcast stream group data that receive from network, the system calling task checks that communication that whether terminal receive access (for example, audio call, text or Multimedia Message etc.) and the inspection of UI task whether imported the function (for example, key input) that is used to suspend the stream service.
When receiving access communications (promptly call out) and terminal when being in call state, network task continues to receive broadcast stream group data from network and keeps running status simultaneously, the multimedia player task is transformed to wait state, and the system calling task is transformed to running status so that provide calling (communication) service to the user from wait state.The temporary transient storage of beginning continues the broadcast stream group data of reception.When inserting the call state termination, the system calling task is transformed to wait state from running status, and the multimedia player task turns back to running status to play the stream packets data of interim storage from wait state.In this way, although described time-out, terminal provides the service of broadcasting stream and does not have loss of data.
After this, when the user imported the function (for example, the key input) that is used to suspend, network task did not transform to wait state but keeps running status, the UI task is transformed to running status from wait state, and the multimedia player task is transformed to wait state from running status.And subsequently, when user's input was used to remove the function (for example, the key input) of time-out, the UI task was transformed to wait state from running status, and the multimedia player task is transformed to running status from wait state.Therefore, when the interruption that occurs being used to suspend, OS among the present invention continues network task to maintain running status so that receive the storage that broadcast stream group data are also carried out the broadcast stream group data that receive from network, and when removing time-out, OS begins to play the stream packets data of storage from the time point that suspends.Therefore, even when temporarily stopping to play, also can provide the service of broadcasting stream effectively and without any contents lost to the user.
Fig. 4 is the flow chart that illustrates according to the process of the exemplary method of the pause function of the broadcasting that the receives stream service that is used to provide terminal of the present invention, and Fig. 5 is the diagrammatic sketch that illustrates according to the exemplary packet data flow of the broadcasting stream service of pause function of the present invention.
When terminal (or mobile communication terminal) linked to each other with streaming server and ask specific broadcasted content (such as sports broadcast, live news broadcasting, talk show program etc.), streaming server 40 sent to mobile communication terminal 10 (step S11) with the broadcasted content of being asked.Broadcasted content can comprise live broadcast content or the broadcasted content that writes down in advance.Streaming server can utilize specific host-host protocol to send broadcasted content.For example, specific host-host protocol can comprise RTP/RTCP agreement or any other host-host protocol.
Play under the situation of broadcasted content at player 120 by mobile communication terminal, when mobile communication terminal (for example receives access communications, audio call, text or Multimedia Message etc.) and therefore by UI interface unit 110 incoming call functions (for example, talk key) (for example imports pause function the time or as the user, Pause key) time, promptly when being used to suspend the interruption of broadcast by UI interface unit 110, the player 120 of mobile communication terminal stops to play temporarily, continuation receives broadcast stream group data by wireless network, and the broadcast stream group data that receive of storage (step S13～S20).
In more detail, when the incoming call function key, the controller 121 of player 120 becomes the multimedia player task into wait state to suspend player 120 (step S17), the current location of record (detection) picture frame and the current location (step S18) of speech frame, continue to receive broadcast stream group data (step S20) by network task being maintained at running status, and deposit the stream packets data that receive in interim storage buffer 122 (step S19) from streaming server.Simultaneously, mobile communication terminal provides call service (for example, audio call connection, text or multimedia message function etc.) (step S15) to the user.When input pause function key, player 120 execution in step S17, S18, S20 and the S19 of mobile communication terminal.
After this, when finish inserting call function or pause function (for example incoming call mute key or suspend and remove key), player 120 the multimedia player task is become running status and the broadcast stream group data of storage from interim storage buffer 122 in the picture frame position and speech frame position (the step S22) that write down among the finding step S18.Subsequently, player 120 begins to restart playback (step S23) from picture frame position and the speech frame position of finding.That is, stream player 120 is picture frame position and the speech frame position execution frame decoding from finding by Video Codec 123 and audio codec 124, and the video data and the voice data of decoding outputed to display unit 130 and loud speaker 140 respectively.When interim storage buffer 122 is got broadcast stream group data, it can be removed from interim storage buffer 122 at once.
For example, at mobile communication terminal once the situation that receives broadcasting stream content from streaming server and play, if interruption occurs suspending at time point N+3 place, player 120 abort playback of mobile communication terminal, record current images frame position and current audio frame position, continuation receives broadcast stream group data from streaming server, and in the interim storage buffer 122 of depositing.
Subsequently, when in the interruption that time point N+6 place occur to remove suspends, player 120 takes out picture frame position and the speech frame position that the N+3 times store and begins playback from interim storage buffer 122.Therefore, though the actual current time is N+6, player 120 begins the play content grouped data from the N+3 time, so that the user can not miss any part of the broadcasting that intercourse receives effectively.After this, pass through interim storage buffer 122, carry out suitable video/audio decoding subsequently by the broadcast stream group data passes that network interface 100 receives.
Because the special nature of mobile communication terminal, implementing to consider when of the present invention such as aspect the restriction of mobility, limited processor performance, finite memory size, battery power consumption, less relatively display screen etc. various.
For example, the screen of fraction (or pop-up window) can be used for visually indicating and receives input message, and most of screen is used to the service of display of broadcast stream.But, because the less relatively size of display screen, only may be on whole screen display of broadcast stream service or about the video data of access communications.
In addition, the storage device of interim storage buffer (122) or other type has limited capacity, thus be appreciated that need the restriction storage from the video of broadcasting stream service and the amount of voice data.
For example, being used for the buffer of mobile communication terminal or memory can store and be equivalent to about 15 minutes broadcasting flow data.Therefore, if the user keeps the time-out of playback or interrupt status and surpass 15 minutes (or no matter buffer or memory span are what), then need to delete " older " broadcast data (sight) so that can store the broadcast data of " newer ".This deletion can automatically perform and without the intervention of Any user, and perhaps the user can obtain the whether acceptable inquiry of deletion of " older " data.
Perhaps, any extra broadcast data that self can not be deposited in mobile communication terminal can deposit external source in.This can realize by via wired or wireless interface mobile communication terminal being connected to external memory storage.Here, wireline interface can be USB cable or other data connecting line, and wave point can connect the technology realization of other type of the Data packets transit that maybe can handle relative high speed by Wi-Fi, Wi-MAX, Wi-BRO, WiMAX.
In addition, not to be stored in to suspend or the intercourse streaming service data of the complete pattern of playback not, but to store these data by compression or simplified way.
For example, advertisement in the streaming service data or bulletin can be detected but not write down (storage) and go into memory, to save memory span.Here, being appreciated that when initial can stores advertisements or bulletin, but when detecting memory span and expire soon, can delete the advertisement or the bulletin of any record.
Perhaps, the image resolution ratio or the data file size that can reduce the streaming service that (compression) receive are used for storage, so that can deposit more contents in memory.Although image resolution ratio is deterioration slightly, the user can be satisfied with those part streamings of still watching time-out or intercourse to receive.
In addition, after at least one time of executed pause function, if the user wishes to watch the service of broadcasting stream as watching in real time, the service of broadcasting stream need be brought in constant renewal in (storage and deletion) in memory.Here, service of actual broadcast stream and the time lag between the broadcasting stream service that the user shows will be had.This can be inconvenient, because need constantly carry out the storage to memory.
Can eliminate this time lag, so that provide without any the actual broadcast stream service that postpones or lag behind to the user.This can realize by several modes.For example, all advertisements in the broadcasting stream service that receives and store can be deleted from memory, up to eliminating the time delay that causes owing to interval.Perhaps, can provide the sight that passes through (that is, " F.F. (FF) ") interval record fast up to the option of eliminating time delay to the user.
More than all can make up by hardware, software (module) and/or its and realize.
In this description, the streaming service can be based on DMB (DMB) technology, and it comprises satellite dmb and continental rise DMB.But be appreciated that instruction of the present invention and suggestion can be applicable to be similar to the broadcast singal reception technique of other type of DMB technology, such as DVB-H (digital video broadcasting-hand-held).
We can say that the invention provides a kind of communicator of supporting that multimedia communication and streaming signal receive, this device comprises: send and receive information with the communication module that allows user and other user to communicate via communication network; Receive the streaming module of streaming grouped data via wave point; The player of the playback of the streaming grouped data that execution receives (or stream player); Cooperate to carry out the processor of following steps with communication module, streaming module and player: when player is carried out the playback of the streaming grouped data that is just receiving, detect the access communications that receives by communication module, suspend the playback of player execution and handle detected access communications, and after the user has handled detected access communications, continue playback in the continuous streaming grouped data that receives of playback interval streaming module by reference to allow the user.
Here, access communications can be audio call, text message or Multimedia Message.When detecting access communications, suspend and to carry out automatically and no user intervention or carry out according to the particular command that receives from the user.The streaming grouped data that interval receives can deposit storage arrangement in.
The present invention also can comprise display unit, and the vision data of its upper reaches broadcasts packet data and the vision data of access communications are separated to show whole screen or the demonstration together on the same screen of display unit to fill up display unit respectively.In addition, also further comprise audio output device, the voice data of streaming grouped data and the voice data of access communications separately or are together exported by this audio output device.
As previously mentioned, be used to provide the apparatus and method of pause function of the broadcasting stream of mobile communication terminal to have many advantages.
At first, when occurring being used to suspend the interruption of the broadcasting stream service that is just receiving, network task is maintained at running status continuously, thereby can continue to receive broadcast stream group data from network at stream service interval.
Secondly, by interim storage buffer is provided, constantly receives broadcast stream group data and temporarily deposit it in interim storage buffer from network, thereby can minimize or effectively avoid losing of interval broadcasting stream content at the broadcast interval.
The 3rd, constantly receive broadcast stream group data and with its temporary transient storage playing interval, and removing when suspending from network, begin to carry out video decode and audio decoder from the picture frame position and the speech frame position of time out point.Therefore, additionally pause function is offered the broadcasting stream service of mobile communication terminal.
Previous embodiment and advantage only are exemplary and do not limit the present invention.This instruction can be easy to be applied to the device of other type.It is illustrative that description of the invention is intended to, and the scope of unrestricted claims.Many possibilities, modification and modification will be apparent for those skilled in the art.In claims, device adds the structure that the function subordinate clause is intended to cover the described function of execution described herein, and structural equivalents and equivalent structure.
Claims (23)
1. the method for the pause function of a broadcasting stream service that is used to provide terminal comprises:
When the input Pause key, end to reproduce the broadcast stream group data that also temporary transient storage sends from server; And
When input suspends the releasing key, begin to reproduce the broadcast stream group data of described temporary transient storage from the time point of described time-out.
2. the method for claim 1 is characterized in that, the special keys that described Pause key comprises the assignment key that is used to receive audio call and sets for the time-out that reproduces.
3. the method for claim 1 is characterized in that, the step of temporary transient stored broadcast stream grouped data comprises:
When the input Pause key, end to reproduce and write down current broadcast stream group data;
Continuation receives described broadcast stream group data from server; And
The broadcast stream group data that temporary transient storage receives.
4. method as claimed in claim 3 is characterized in that, when described Pause key is when being used to receive the assignment key of audio call, described terminal is carried out call service.
5. method as claimed in claim 3 is characterized in that, described current broadcast stream packets data comprise current image frame position and speech frame position.
6. the method for claim 1 is characterized in that, described broadcast stream group data comprise the grouped data of grouped data that is used for live content and the broadcasted content that is used for writing down in advance.
7. the method for claim 1 is characterized in that, described broadcast stream group data comprise that it reproduces the grouped data that speed is not subjected to the broadcasted content that the user controls.
8. the method for claim 1, it is characterized in that, when the described Pause key of input, the task that the OS of terminal will be used to handle Pause key becomes running status from wait state, the multimedia player task is become wait state from running status reproduce, and network task is maintained at running status so that receive broadcast stream group data and temporarily store it from streaming server with termination.
9. method as claimed in claim 8, it is characterized in that, if described Pause key is an assignment key, the task indication that then is used to handle Pause key is used for the system calling task of the execution of order call service, if and described Pause key is for ending to reproduce the special keys of setting, then being used to handle the task indication user interface tasks of Pause key.
10. the method for claim 1, it is characterized in that, when input suspends the releasing key, the OS of terminal will be used to handle and suspend the task of removing key and become wait state from running status, and the multimedia player task is become running status so that begin to continue the reproduction of the broadcast stream group data of described temporary transient storage from the time point that suspends from wait state.
11. method as claimed in claim 10, it is characterized in that, removing key when described time-out is when calling out mute key, be used to handle the task indication mechanism of suspending the releasing key and call out task, if and described time-out releasing key is to suspend the special keys of setting for removing, then be used to handle the task indication user interface tasks of suspending the releasing key.
12. the device of the pause function of a broadcasting stream that is used to provide terminal comprises:
Network interface unit is used for receiving broadcast stream group data by wireless network from streaming server;
User's input interface unit is used to receive the key of the time-out that is used to broadcast stream; And
Player is used for termination reproduction when the input Pause key, stores it by network interface unit reception broadcast stream group data are also temporary transient, and begin to reproduce the broadcast stream group data of described temporary transient storage from the time out point when importing time-out releasing key.
13. device as claimed in claim 12 is characterized in that, described player comprises:
Controller is used for usually controlling reproduction and pause function from the broadcast stream group data of network interface unit reception; And
Interim storage buffer is used for the broadcast stream group data that interim storage receives by network interface unit under the control of described controller.
14. device as claimed in claim 13 is characterized in that, also comprises:
Video Codec is used under the control of described controller the video data of decoding broadcast stream group data; And
Audio codec is used under the control of described controller the voice data of decoding broadcast stream group data.
15. device as claimed in claim 13 is characterized in that, also when occurring being used to suspend the interruption of broadcasting stream, described OS is maintained at network task running status and the multimedia player task is become wait state from running status described controller control OS.
16. device as claimed in claim 15 is characterized in that, when occurring suspending the releasing interruption, OS is maintained at network task running status and the multimedia player task is become running status from wait state.
17. device as claimed in claim 12 is characterized in that, also comprises:
Display unit is used for the video data of the decoding of display of broadcast stream packets data under the control of described player; And
Loud speaker is used under the control of described player the voice data of the decoding of output broadcast stream group data.
18. a communicator of supporting that multimedia communication and streaming signal receive, this device comprises:
Communication module is used for sending and receiving information to allow user and other user to communicate by communication network;
The streaming module is used for receiving the streaming grouped data via wave point;
Player is used to carry out the playback of the streaming grouped data that receives;
Processor, cooperate to carry out following steps with described communication module, streaming module and player:
When just carrying out the playback of the streaming grouped data that receives, player detects the access communications that receives by communication module,
Suspend the playback of player execution and handle detected access communications to allow the user, and
The playback interval continues playback by the streaming grouped data that the streaming module constantly receives after the user has handled detected access communications by reference.
19. device as claimed in claim 18 is characterized in that, described access communications is audio call, text message or Multimedia Message.
20. device as claimed in claim 18 is characterized in that, described time-out is automatically performed and no user intervention or obtain carrying out according to the special command that receives from the user when detecting access communications.
21. device as claimed in claim 18 is characterized in that, the streaming grouped data that interval receives is deposited in storage arrangement.
22. device as claimed in claim 18, it is characterized in that, also comprise display unit, the vision data of its upper reaches broadcasts packet data and the vision data of access communications are separated to show whole screen or the demonstration together on the same screen of display unit to fill up display unit respectively.
23. device as claimed in claim 18 is characterized in that, also comprises audio output device, the voice data of described streaming grouped data and the voice data of access communications separately or are together exported by this audio output device.
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| KR1020040116953A KR100595708B1 (en) | 2004-12-30 | 2004-12-30 | Apparatus and method for pause function of broadcasting streaming in mobile communication terminal |
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| EP (3) | EP1919218A3 (en) |
| KR (1) | KR100595708B1 (en) |
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| AT (1) | ATE402566T1 (en) |
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- 2005-12-28 AT AT05028558T patent/ATE402566T1/en not_active IP Right Cessation
- 2005-12-28 EP EP08001654A patent/EP1919218A3/en not_active Ceased
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- 2005-12-29 CN CN2011100265367A patent/CN102143382A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2012068893A1 (en) * | 2010-11-24 | 2012-05-31 | 中兴通讯股份有限公司 | Method, device and terminal for replaying live program |
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| CN103716573B (en) * | 2013-12-13 | 2018-02-09 | 乐视致新电子科技（天津）有限公司 | A kind of method and apparatus of video playback |
| CN105721088A (en) * | 2016-03-02 | 2016-06-29 | 浙江吉利控股集团有限公司 | Radioing method, radioing device and vehicular system |
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| CN106028082A (en) * | 2016-06-22 | 2016-10-12 | 乐视控股（北京）有限公司 | Live broadcasting method and equipment |
Also Published As
| Publication number | Publication date |
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| EP1919218A2 (en) | 2008-05-07 |
| US8046483B2 (en) | 2011-10-25 |
| EP1919217A3 (en) | 2008-09-24 |
| ATE402566T1 (en) | 2008-08-15 |
| EP1919218A3 (en) | 2008-10-08 |
| CN102143382A (en) | 2011-08-03 |
| EP1919217A2 (en) | 2008-05-07 |
| KR100595708B1 (en) | 2006-07-20 |
| DE602005008355D1 (en) | 2008-09-04 |
| EP1677539A1 (en) | 2006-07-05 |
| US20060146854A1 (en) | 2006-07-06 |
| KR20060078648A (en) | 2006-07-05 |
| EP1677539B1 (en) | 2008-07-23 |
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